The following reply was made to PR kern/133572; it has been noted by GNATS.
From: Dennis Melentyev <dennis.melent...@gmail.com>
To: Max Laier <m...@love2party.net>
Cc: bug-follo...@freebsd.org
Subject: Re: kern/133572: [ppp] [hang] incoming PPTP connection hangs the
system
Date: Thu, 16 Apr 2009 12:28:46 +0300
Hi Max,
Just read your discussion with Matt and Rembrandt on DragonflyBSD list
on OpenBSD's PF issues.
Although I can't afford to restore the configuration to test the
issue, but I feel, that problem could be connected to IPv6 +
PPTP/GRE/PF/IPv4.
The machine we've tried to connect from was running Vista. AFAIR, it
tries to make some use of IPv6. Can't tell anything on XP or other
clients - never tried that.
OTOH, outgoing PPTP (IPv4) session from MPD4 to some HW VPN router
(sorry, anonymous to me) was just fine.
Hope this helps.
I can't upgrade ATM, but still can supply config files if needed.
/dennis
2009/4/15 Dennis Melentyev <dennis.melent...@gmail.com>:
> Hi Max,
>
> It was some hard time for me, sorry for late response.
>
> I did enabled KDB, DDB and WITNESS on the same sources.
> Unfortunately there was just plain hangs once some GRE was trying to
> get through (netgraph? PF? routing?)
> With these options enabled, hangs are much more often than without them.
> Once hung, no way to break into debugger, no panics, numlock not
> changing lights on keyboard, mouse not responding, hdd silent, network
> not available, nothing.
>
> 3 different HW platforms were tried (all of them were UP+i386+32bit).
> Highest CPU temperature was 52C. No chance to go with 7.2-PRERELEASE.
>
> Had to downgrade to 7.1-RELEASE.
>
> /dennis
>
> 2009/4/11 Max Laier <m...@love2party.net>:
>> Is it possible for you to turn on WITNESS on this machine to obtain poss=
ible
>> LORs that might be responsible for the hang? =C2=A0Also, do you have the
>> possibility to enable DDB and drop into it from the console (if it is no=
t a
>> hard hang but a live lock)?
>>
>> --
>> =C2=A0Max
>>
>
>
>
> --
> Dennis Melentyev
>
--=20
Dennis Melentyev
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